excavations.jpg (IMAGE) Max Planck Institute of Geoanthropology Caption Archaeologists excavating the well-preserved surface at the Xiamabei site, northern China, showing stone tools, fossils, ochre and red pigments. Credit Fa-Gang Wang Usage Restrictions Archaeologists excavating the well-preserved surface at the Xiamabei site, northern China, showing stone tools, fossils, ochre and red pigments. License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.